EU: Lockdown restrictions have improved air quality in European cities

European Commissioner for Environment and Oceans Virginijus Sinkevicius speaks during a media conference on the air quality in Europe (Kenzo Tribouillard, Pool via AP)
European Commissioner for Environment and Oceans Virginijus Sinkevicius speaks during a media conference on the air quality in Europe (Kenzo Tribouillard, Pool via AP)